CVE-2021-27562

CVSS V2 Medium 4.9 CVSS V3 Medium 5.5
Description
In Arm Trusted Firmware M through 1.2, the NS world may trigger a system halt, an overwrite of secure data, or the printing out of secure data when calling secure functions under the NSPE handler mode.
Overview
  • CVE ID
  • CVE-2021-27562
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-25T19:15:07
  • Last Modified Date
  • 2021-06-08T18:25:12
Weakness Enumerations
CWE URL
CWE-787 http://cwe.mitre.org/data/definitions/787.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:arm:trusted_firmware_m:*:*:*:*:*:*:*:* 1 OR 1.2
cpe:2.3:h:arm:trusted_firmware_m:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:N/I:N/A:C
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • COMPLETE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 6.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://developer.arm.com/support/arm-security-updates Vendor Advisory
https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/security/security_advisories/svc_caller_sp_fetching_vulnerability.rst Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-27562
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27562
History
Created Old Value New Value Data Type Notes
2022-05-10 07:12:17 Added to TrackCVE
2022-12-05 02:58:33 2021-05-25T19:15Z 2021-05-25T19:15:07 CVE Published Date updated
2022-12-05 02:58:33 2021-06-08T18:25:12 CVE Modified Date updated
2022-12-05 02:58:33 Analyzed Vulnerability Status updated